aboutsummaryrefslogtreecommitdiff
path: root/include/sysemu/blockdev.h
blob: 10820910d7f92102199f727254591eae860be4d1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
/*
 * QEMU host block devices
 *
 * Copyright (c) 2003-2008 Fabrice Bellard
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or
 * later.  See the COPYING file in the top-level directory.
 */

#ifndef BLOCKDEV_H
#define BLOCKDEV_H

#include "block/block.h"
#include "qapi/error.h"
#include "qemu/queue.h"

void blockdev_mark_auto_del(BlockDriverState *bs);
void blockdev_auto_del(BlockDriverState *bs);

typedef enum {
    IF_DEFAULT = -1,            /* for use with drive_add() only */
    /*
     * IF_IDE must be zero, because we want QEMUMachine member
     * block_default_type to default-initialize to IF_IDE
     */
    IF_IDE = 0,
    IF_NONE,
    IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN,
    IF_COUNT
} BlockInterfaceType;

struct DriveInfo {
    BlockDriverState *bdrv;
    char *id;
    const char *devaddr;
    BlockInterfaceType type;
    int bus;
    int unit;
    int auto_del;               /* see blockdev_mark_auto_del() */
    bool enable_auto_del; /* Only for legacy drive_init() */
    int media_cd;
    int cyls, heads, secs, trans;
    QemuOpts *opts;
    char *serial;
    QTAILQ_ENTRY(DriveInfo) next;
    int refcount;
};

DriveInfo *drive_get(BlockInterfaceType type, int bus, int unit);
DriveInfo *drive_get_by_index(BlockInterfaceType type, int index);
int drive_get_max_bus(BlockInterfaceType type);
DriveInfo *drive_get_next(BlockInterfaceType type);
void drive_get_ref(DriveInfo *dinfo);
void drive_put_ref(DriveInfo *dinfo);
DriveInfo *drive_get_by_blockdev(BlockDriverState *bs);

QemuOpts *drive_def(const char *optstr);
QemuOpts *drive_add(BlockInterfaceType type, int index, const char *file,
                    const char *optstr);
DriveInfo *drive_init(QemuOpts *arg, BlockInterfaceType block_default_type);

/* device-hotplug */

DriveInfo *add_init_drive(const char *opts);

void qmp_change_blockdev(const char *device, const char *filename,
                         bool has_format, const char *format, Error **errp);
void do_commit(Monitor *mon, const QDict *qdict);
int do_drive_del(Monitor *mon, const QDict *qdict, QObject **ret_data);
#endif